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Finding the Fourth Proportional to 201,280.40, 301,661.40 and 95,872.40

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Solution

The fourth proportional to 201,280.40, 301,661.40 and 95,872.40 is: 143,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280.40 : 301,661.40 = 95,872.40 : x
  2. Step 2: Convert to fraction form
    201,280.40/301,661.40 = 95,872.40/x
  3. Step 3: Cross multiply
    201,280.40x = 301,661.40 × 95,872.40
  4. Step 4: Simplify right side
    201,280.40x = 28,921,002,405.36
  5. Step 5: Solve for x
    x = 28,921,002,405.36/201,280.40
  6. Step 6: Final answer
    x = 143,685.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.